HIGHWAY MAIL COMPANY
AUTHORIZEDUSDOT
304808
MC Number
620731
Fleet Size
20
Total Drivers
28
FMCSA-derived snapshot updated: September 6, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
HIGHWAY MAIL COMPANY is a mid-size interstate motor carrier based in GRANGER, Iowa, operating 20 power units with 28 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 5.1% comes in under the 6.7% national average. They have 2 crashes on file (1 with injuries). FMCSA records show 39 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Iowa is 7.4% and the average vehicle OOS rate is 29.9% across 26,539 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
39
Total
81%
Driver %
Insurance on file
Liability (BIPD)
ZURICH AMERICAN INSURANCE COMPANY — eff. Jan 1, 2011
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Source: FMCSA Motus. Imported Aug 4, 2026. Verify current filings directly with FMCSA before relying on them.
Crash history
2
Total Crashes
Similar carriers in Iowa
Other carriers in the same state with a similar fleet size.
BREMIK LLC
PEKIN COMMUNITY SCHOOL DISTRICT
CRINC
HENRIKSEN CONTRACTING LLC
CASHATT & SONS CORP
Frequently asked questions
Is HIGHWAY MAIL COMPANY authorized to operate?
CarrierOwl's FMCSA-derived snapshot for HIGHWAY MAIL COMPANY (USDOT #304808) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is HIGHWAY MAIL COMPANY's safety record?
HIGHWAY MAIL COMPANY has 39 inspections in CarrierOwl's current imported snapshot and 2 matching crashes. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does HIGHWAY MAIL COMPANY operate?
HIGHWAY MAIL COMPANY operates 20 power units with 28 drivers on file. That puts them in the mid-size range.
Does HIGHWAY MAIL COMPANY transport hazardous materials?
No. HIGHWAY MAIL COMPANY does not have a hazardous materials flag in the FMCSA database.
Where is HIGHWAY MAIL COMPANY located?
HIGHWAY MAIL COMPANY is based in GRANGER, Iowa at 18555 Y AVENUE, 50109-0577. Phone: (515) 238-3341.
What are HIGHWAY MAIL COMPANY's out-of-service rates?
HIGHWAY MAIL COMPANY's driver out-of-service rate is 5.1%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 44.4%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.